Engg. Drawing IMP questions.

ENGINEERING DRAWING !!!

1. A POINT IS 30 mm IN FRONT OF THE VP,50 mm ABOVE THE HP AND 20 mm IN FRONT OF A PROFILE PLANE WHICH IS TO THE RIGHT OF THE OBSERVER. DRAW THE VIEW FROM ABOVE, THE VIEW FROM THE FRONT AND THE VIEW FROM THE LEFT. [5M]
 
2. A POINT IS 50 mm BEHIND THE VP. 30 mm ABOVE THE HP AND 20 mm FROM THE PROFILE PIANE. DRAW THE THREE PRINCIPAL VIEWS OF THE POINT. [5M]

3. A POINT IS 50 mm BEHIND THE VP, 30 mm BELOW THE HP AND 20 mm FROM THE PROFILE PLANE .DRAW THE THREE PRINCIPAL VIEWS OF THE POINT. [5M]

4. A POINT IS EQUIDISTANCE FROM THE THREE PRINCIPAL PLANES. THE VIEW FROM ABOVE IS BELOW XY AND THE VIEW FROM FRONT ABOVE XY .THE LINEAR DISTANCE BETWEEN THE ABOVE TWO VIEWS MEASURES 80 mm. DRAW THE THREE PRINCIPAL VIEWS [5M]

5. THE VIEW FROM THE FRONT OF THE POINT IS 60 mm BELOW XY AND THE VIEW FROM THE ABOVE THE 40 mm XY. DRAW THE THREE PRINCIPAL VIEWS [5M]

6. A POINT IS ON THE VP AND 60 mm BELOW HP. DRAW THE PROJECTIONS IF IT IS 30 mm AWAY FROM THE PROFILE PIANE .STATE THE QUADRANT IN WHICH THE POINT LIES. [5M]

7.A POINT IS LYING ON THE HP AND 30 mm AWAY FROM THE VP. DRAW THE PROJECTIONS IF IT IS ALSO 40 MM FROM THE PP. [5M]

8.A POINT IS LOCATED IN THE SECOND QUADRANT BEHIND VP. WHILE ONE OF THE VIEWS IS ON XY, ANOTHER VIEW IS 60 mm ABOVE XY. DRAW THE THREE PRINCIPAL VIEWS [5M]

 9.A POINT IS 30 mm AWAY FROM HP AND 70 mm AWAY FROM THE VP.DRAW THE PROJECTIONS WHEN IT IS LYING IN THE FIRST,THE SECOND,THE THIRD AND THE FOURTH QUADRANTS. [5M]

10. A POINT IS LYING ON THE HP AND 50 mm AWAY FROM THE VP. . DRAW THE PROJECTIONS . WHEN IT IS LYING IN THE FIRST,THE SECOND,THE THIRD AND THE FOURTH QUADRANTS [5M]

11. A POINT IS LYING ON THE VP AND 60 mm AWAY FROM THE HP. DRAW THE PROJECTIONS . WHEN IT IS LYING IN THE FIRST,THE SECOND,THE THIRD AND THE FOURTH QUADRANTS [5M]

12. A POINT IS LOCATED IN FIRST QUADRANT AND THE VIEW BELOW XY IS 50 mm FROM IT.IF THE POINT WERE TO BE IN THE THIRD QUADRANT THE VIEW BELOW XY WOULD BE 30 mm FROM IT. DRAW THE PROJECTIONS OF THE POINT. [5M]

13. A POINT P HAS ONE OF ITS VIEW 70 mm BELOW XY. WHEN IT IS IN THE THIRD QUADRANT.IT HAS ONE OF ITS VIEWS 20 mm BELOW XY. DRAW THE PROJECTIONS OF THE POINT WHEN IT IS IN THE SECOND QUADRANT.[5M]

14. A STRAIGHT LINE 80 mm LONG IS INCLINED AT 30^0 TO THE VP AND PARALLEL TO THE HP.THE NEAREST END OF THE LINE IS 30 mm IN FRONT OF THE VP AND 50 mm ABOVE THE HP. DRAW THE PROJECTIONS [5M]

15. A LINE 130 mm LONG IS PARALLEL TO THE VP AND INCLINED AT 60^0 TO THE HP.THE END NEAREST TO THE HP IS 30 mm FROM IT AND 40 mm FROM THE VP. DRAW THE PROJECTIONS [5M]

16. A LINE TOUCHES 100mm LONG PARALLEL TO THE VP AND INCLINED AT 45^0 TO THE PP. ONE OF THE ENDS TOUCHES THE PP,40 mm FROM THE VP. DRAW THE PROJECTIONS [5M]

better to use it as a Check list ;)

Engineering Drawing Material(PPTs)...

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source: Malla Reddy College of Engg. and Tech.

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Chaitanya Engineering College,Vizag

CHAITANYA ENGINEERING COLLEGE

Established in 2002, Chaitanya Engineering College(CEC) marks yet another effort on the part of the Chaitanya Group is located in an over 50 acre naturally scene idyllic environment near Kommandi in Greater Viskhapatnam. Though a fledgling, the Institute has earned a place of esteem and the patronage of reputed business organizations within a short time. To make the life at CEC pleasant and comfortable for its students, the Campus is provided with the finest facilities and educational resources. The aims, approach and activities of CEC are guided by all its stakeholders and Management - students, industry and the society. The strengths and specialties of CEC are enhanced by its network of renowned institutions and business organizations.

In the dawn of the technological millennium, CEC is poised to seize the opportunities to emerge as a national centre of excellence in the field of engineering.
The College has been Accredited by National Board of Accreditation (NBA), New Delhi.


Chaitanya Engineering College
Chaitanya Valley,
Kommadi Village,
Madhurawada,
Visakhapatnam District .
Andhra Pradesh, India
Ph:- 0891 -2793111

Emai : chaitanya.kommadi@cec.ac.in
WebSite : http://www.cec.ac.in

MM 2nd Sem IMP Questns

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ENGINEERING CHEMISTRY 2nd Sem IMPORTANT QUESTIONS !!!

Engineering chemistry external examinations important questions:
(SET-1)
1. State and explain kohlraush’s law. Discuss its significance and applications.
2. Describe the construction and working of calomel & Quinhydrone electrode. Write its merits and demerits.
3. What is fuel cell? Explain construction and working of Hydrogen Oxygen fuel cell.
4. Define the term specific, equivalent and molar conductance.
5. Define corrosion. Explain the mechanism of wet corrosion with example.
6. Explain the factors influencing the rate of corrosion.
7. Describe the sacrificial anodic and impressed current cathodic protection from corrosion.
8. What is paint? Mention the essential ingredients and functions of paints.
9. What is meant by hardness of water? How will you measure hardness of water by EDTA method?
10. Describe cold & hot lime soda softening process with neat diagram. Write its advantages and disadvantages.
11. Describe the principle procedure involved in zeolite process for softening. Write its merits and demerits.
12. Describe ion exchange method of water softening. Write its advantages and disadvantages.
13. Write briefly about boiler troubles (Carry over (priming & foaming), caustic embrittlement & Scale & sludge formation).
14. Define calorific value. How calorific value of a gaseous fuel is determined by Junker’s gas calorimeter.
15. Write a complete description on proximate & ultimate analysis of coal.
16. Explain Fisher-Tropsch’s and Bergius methods for the synthesis of petrol.
17. What is knocking? Define Octane Number and Cetane Number. How it can be improved.
18. Describe analysis of flue gas by Orsat’s method using neat diagram.
19. Explain one component system phase diagram by using one suitable example.
20. Define phase. Explain two component system phase diagram with using one suitable example.
21. With the help of flow diagram explain the manufacture of Portland cement by wet process/dry process.
22. Define lubrication. Explain the mechanism of Boundary lubricants/ Extreme pressure lubricants / Thick film lubricants.
23. Explain properties of lubricants: a) Flash & fire point b) Cloud & pour point c) Flash & fire point d) Viscosity
24. What are refractories & discuss properties of refectories (strength of refractory, pyrometric cone ,thermal-spalling, porosity)
25. Define insulators? What are thermal & electrical insulators? Discuss their characteristics & engineering applications.


SET-2 - IMPORTANT QUESTIONS
1. Write short notes 1. Galvanizing 2. Tinning 3. Electroplating
2. Define polymerization. Write the differences between Additional polymerization-condensation polymerization & thermoset – thermo-plastics.
3. Write in detail about compounding of plastics and their functions.
4. Expalin compression, injection & extrusion moulding process with neat diagram.
5. Write preparation properties and application of following a. P.V.C b. Bakilite c. Nylon d. BUNA-S e. Teflon f. Polyester.
6. What are colloids? Classify colloids.( lyophilic & lyophobic colloids)
7. Give a detailed account on the properties of Colloids. Writes various applications of colloids.
8. Define phase, component, degree of freedom, phase rule equation & what is the significance of phase rule? Discuss its applications & limitations.
9. Define adsorption. Write the differences between physical and chemical adsorption.
10. Describe briefly about Langmuir adsorption isotherm. Write applications of Adsorption.
11. Derive Nernst’s equation. What are reference electrodes? Give an Example
12. Write short notes on standard electrode potential, EMF of cell, concentration cell.
13. Discuss the method of determination of pH of a solution using Glass electrode.
14. What is secondary cell? Describe construction, cell reaction and application of any secondary cell.
15. Distinguish between A. Soft and hard water B. temporary and permanent hardness
C. lime soda, zeolite and ion exchange process
16. Describe desalination of brackish water. A reverse osmosis b. electro dialysis.
17. What is fuel? Classify fuel with suitable examples. Write characteristics of a good fuel?
18. Distinguish between solid, liquid and gaseous fuel.
19. What is meant by calorific values of a fuel. Distinguish gross and net calorific value.
20. Explain the method of determination of C.V of solid fuel by Bomb calorimeter with a neat diagram.
21. Write the mechanism of free radical polymerization.
22. Describe moulding process for fabrication of thermoplastics and thermosetting plastics.
23. Discuss the processing of natural rubber and vulcanization process.
24. Write short notes on micelles and nano technology.
25. Explain with suitable examples the following terms used in the phase rule study of heterogeneous equilibrium. a) Triple point & b) Eutectic point.
26. Write a note on Annealing & hardening.
27. Write in detail an account of heat treatment based on iron-carbon phase diagram & discuss the silent features of Fe – C system.
28. Write the chemical composition of cement. Explain setting and hardening of cement.
29. What is lubricant? Write functions of lubricant.
30. What are refractories. How are they classified give examples.
31. What are super conductors? Write the applications of super conductors.

Note: Read SET-1 ,(25) very important questions.
We are not responsible for errors in the questions, kindly ignore them.
source:jntuworld...

ENGINEERING PHYSICS 2nd Sem IMPORTANT QUESTIONS !!!

ENGINEERING PHYSICS IMPORTANT QUESTIONS
UNIT-1: Quantum Mechanics & Quantum Computing
1. Derive 3-dimensional, time independent Schrodinger wave equation for an electron. (or)
Derive one-dimensional time independent Schrodinger wave equation for an electron.
2. What is the physical significance of wave function?
3. Deduce the expression for energy an electron confined to a potential box of width ‘x’. (or)
Show that the energies of a particle in a potential box are quantized.






UNIT-2: Electron Theory of Metals
1. a. Distinguish b/w Drude Lorentz Theory (Classical Free Electron Theory) and Somerfield’s theory (Quantum Free Electron Theory) of metals.
b. Explain briefly classical free electron theory of metals.
c. What are the salient features of Sommerfeld theory of metals? Explain.
2 a. Define Fermi-level of electron? Explain Fermi-Dirac distribution function of electrons. Explain the effect of temperature on the distribution.
b. Use the Fermi distribution function to obtain the value of F (E) for E-EF= 0.01eV at 200K.
3. a. Discuss the various drawbacks of classical free electron theory of metals and explain the assumptions made in Quantum theory to overcome the drawbacks.
b. Derive an expression for conductivity of a metal on basis of quantum free electron theory.
4. Explain the following
i. Mean free path
ii. Relaxation time and
iii. Drift velocity of an electron in a metal.
iv. Electrical conductivity
v. Fermi energy
d. Assuming the electron-lattice interaction to be responsible for scattering of
conduction electrons in a metal, obtain an expression for conductivity in terms of
relaxation time and explain any three draw backs of classical theory of free electrons.
5. Explain what is electron scattering and resistance?






UNIT-3: Band Theory of Solids
1. On the basis of band theory how the crystalline solids are classified into metals, Semi-Conductors and insulators.
2. a. What is Bloch Theorem? Explain.
b. Discuss with suitable mathematical expression, the Kronig-Penny model for the energies of an electron in a metal.
3. a. Explain the concept of effective mass of electron



UNIT-4: Magnetic Properties
1. a. Explain magnetic susceptibility, magnetic induction and permeability.
b. Explain clearly difference between hard and soft magnetic materials? Write their characteristic properties and their applications.
2. a. Draw the B-H curve for a ferro-magnetic material and identify the retentivity and
the cohesive field on the curve.
3. Derive the Clausius – Mosotti relation.
5. Explain the terms:
i. Magnetic flux density
ii. Magnetic field strength
iii. Magnetization and
iv. Magnetic susceptibility. How they are related to each other?
6. Explain the origin of magnetic moment. Find the magnetic dipole moments due to orbital and spin motions of an electron.
7. Explain the domain and weiss field theory?
8. Explain clearly the classification of Dia, para & ferro magnetic materials.






UNIT-5: Super Conductivity
1. a. Explain in detail the following
i. Meissner effect and
ii. Penetration depth of a superconductor.
2. Explain the critical magnetic field of a super conductor as a function of temperature.
3. a. What is meant by superconductivity?
b. What are Type-I and Type-II superconductors? Compare the differences between them (soft and hard superconductors).
4. a. Write short notes on the applications of superconducting materials.
b. What are “Cooper pairs”? Explain.
5. a. Explain flux quantization.
b. Explain the Josephson Effect in superconductors. Explain in detail the A.C & D.C. Josephson effect.
6. Explain the terms:
Critical Field
Critical Temperature and
Critical current density, relating to superconductivity.
Give the relation between critical field and critical temperature.






UNIT-6: Di-electric Properties
1. Explain the following
1. Di-electric constant.
2. Electric Susceptibility.
3. Electric Polarization.
4. Polarizability.
5. Ferro-electricity.
6. Piezo-electricity.
2. Describe the phenomenon of electronic polarization and obtain an expression for
Electronic Polarizability.
3. Explain electronic polarization in atoms and obtain an expression for electronic
polarizability in terms of the radius of the atom.
4. a. Explain the different types of polarization mechanisms in di-electric materials.
b. What are the important requirements of good insulating materials?
5. Explain the concept of internal field in solids.
6. a. Derive the Clausius –Mossotti relation.
b. Explain the hysteresis properties of ferromagnetic materials.
c. Mention the various properties of para-magnetic materials.
7. Write notes on:
i. Ferro-electricity and
ii. Piezo-electricity.




UNIT – 7: Semi-Conductors
1. a. Write a note on intrinsic semi conductor.
b. Derive an expression for the carrier concentration in N-type Extrinsic semi conductor.
2. a. Write notes on Direct and Indirect band gap semiconductors.
b. Show that for a P-type semi conductor the Hall coefficient, RH = (1/ne).
c. Derive an expression for the number of electron per unit volume in the conduction band of an intrinsic semi conductor.
3. a. Distinguish between Intrinsic and Extrinsic semiconductors with suitable examples.
b. Explain the effect of temperature on resistivity of a semi-conductor.
4. a. Derive the continuity equation for electrons. What physical law is manifested in continuity equation?
b. Derive the expression for the density of holes in the valence band of an intrinsic semiconductor.
5. a. Explain n-type and p-type semiconductors. Indicate on an energy level diagram the conduction and valance band, donor and acceptor level for an intrinsic and extrinsic semiconductors.
b. Explain the detailed mechanism of current conduction in n and p type semi conductors.
6. a. Describe the drift and diffusion currents in a semi conductor. Derive their expressions.
b. Deduce Einstein relation.




UNIT-8: Physics Of Nano Materials
a. Write a detailed note on nanoscience and nanotechnology.
b. Why nanomaterials exhibit different properties? Explain.
2. a. Write the important applications of nanomaterials in medicine.
b. How the physical and chemical properties of nano particles vary with their size?
c. Write the important applications of nanomaterials.
3. a. What are nanomaterials? Explain.
b. Describe the various types of nanotubes.
c. Explain the fabrication of carbon nanotubes.

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M.F.Hussain is DEAD

Birth name Maqbool Fida Husain
Born 17 September 1915
Pandharpur, Bombay Presidency, British India
Died 9 June 2011 (aged 95)
London, England, United Kingdom
Nationality Indian; Qatari[1]
Field Painting, Drawing, Writer
Training Sir J. J. School of Art
Movement Progressive Art Group
Works Mother India; illustrations to Ramayana, Mahabarata
Awards Padma Shri
Padma Bhushan
Padma Vibhushan
Website

http://www.mfhussain.com/